The helmet holder can be flexibly attached to the exterior of a Mammut backpack. Its flexible material holds stowed helmets securely on the backpack and allows an easy transportation. Details: Suitable for : Climbing Item Number: 2810-00121 Materials: Main material 92% Polyamide, 8% Elasthane Sustainability: a Perfluorinated compounds (PFCs) are often used for waterproofing but are practically non-biodegradable. Mammut is committed to replacing non-biodegradable fabric treatments with more sustainable high-performance alternatives. Fear Wear: a Fair Wear works to ensure fair and safe working conditions in garment factories. The non-profit engages directly with factories, trade unions, NGOs and governments to protect workers&'; rights.